Red Seal Electrician Practice
Safety and work practicesQuestion 614 of 1506

On a shared job site, an electrician finds an extension cord with cracked insulation. What is a sure way to keep others from using it?

  1. Tape the cracks and leave it plugged in.
  2. Wrap a note around the cord and leave the plug on.
  3. Move it to another area of the site.
  4. Unplug it and cut the plug off the cord.
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Correct answer: Unplug it and cut the plug off the cord.

Without a plug, nobody can use the cord until it is repaired.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 3.7: Common Sources of Hazard

Practice safety and work practices

Questions last reviewed: 18 October 2026